References
* All links checked and updated July 22,2006
FORMAT
Author(s). Name of Page. Date of Posting/Revision. Name of institution/organization affiliated with the site. Date of Access. <electronic address>.
1 "EEK!" Environmental Education for Kids. ©1998-2005. Last updated October,2005. Wisconsin Department of Environmental Resources. Accessed October 3, 2005. <http://www.dnr.state.wi.us/org/caer/ce/eek/>.
2 Tree Basics. ©2000-2005. TreeHelp.com. Accessed October 2, 2005. <http://www.treehelp.com/trees/trees-basics.asp>.
3 Iverson, L. R., D. Ketzner and J. Karnes. ©1999. Illinois Plant Information Network. Illinois Natural History Survey and USDA Forest Service. Database at <http://www.fs.fed.us/ne/delaware/ilpin/ilpin.html>.
4 Honey Locust. ©n.d. Virginia Department of Forestry. Accessed October 2, 2005. <http://www.dof.virginia.gov/mgt/trees/index.shtml>.
5 The naturalist pages: gingko tree. n.d. n.n. Accessed October 2, 2005. <http://www.pathcom.com/~wgbz/trees.htm#ginkgo>.
6
Wray, P., M.
Vitosh, J.
Iles and T. Quinn. Identification of Common Trees of Iowa.
Iowa State
University Extension Forestry
7 Ohio Department of Natural Resources: American Basswood. ©2006. State of Ohio. Accessed July 22, 2006. <http://www.dnr.ohio.gov/forestry/trees/bass_amr.htm>
8 Illinois Tree Guide. ©2000. Last updated July 2001. Illinois State Museum. Accessed October 2, 2005. <http://www.museum.state.il.us/muslink/forest/htmls/trees.html>.
9 What Tree is It? © 1997. Last updated December 7, 2004. Ohio Public Library Information Network (OPLIN) & The Ohio Historical Society (OHS). Accessed October 2, 2005. <http://www.oplin.org/tree/fact%20pages/beech_copper/beech_copper.html>.
10 Ohio Department of Natural Resources: Division of Forestry. American Basswood. ©2006. State of Ohio. Accessed July 22, 2006. <http://www.dnr.ohio.gov/forestry/trees/bass_amr.htm>
11 Zaharis, D. B. (Page Designer). Forest Trees of Maine: White Birch. 1998. Last updated January 15, 1998. Scarborough High School, Scarborough, ME & Pine Tree Council, BSA. Accessed October 3, 2005. <http://www.scarborough.k12.me.us/high/projects/trees/whitbirch.htm>.
12 Ohio Department of Natural Resources: Division of Forestry: River Birch. Accessed July 22, 2006. <http://www.dnr.ohio.gov/forestry/trees/birch_rvr.htm>.
13 Ohio Department of Natural Resources: Division of Forestry. Silver Maple. ©2006. State of Ohio. Accessed July 22, 2006 <http://www.dnr.ohio.gov/forestry/trees/maple_silver.htm>.
14 Ohio Department of Natural Resources: Division of Forestry. American Sycamore. ©2006. State of Ohio. Accessed July 22, 2006 <Ohio Trees - American Sycamore>.
15 Ostermiller, S. A Key to the Common Trees of Camp Conestoga: Sassafras. July, 1997. Accessed October 3, 2005. <http://ostermiller.org/tree/sassafras.html.>
16 Common Trees of Pennsylvania: Tulip Tree. n.d. Pennsylvania Department of Conservation and Natural Resources: Forestry Division. Accessed October 3, 2005. <http://www.dcnr.state.pa.us/forestry/commontr/tuliptre.htm>.
17 Ohio Department of Natural Resources: Division of Forestry. White Oak. ©2006. State of Ohio. Accessed July 22, 2006. <http://www.dnr.ohio.gov/forestry/trees/white_oak.htm>
18 Ohio Department of Natural Resources: Division of Forestry. Pin Oak. ©2006. State of Ohio. Accessed July 22, 2006. <http://www.dnr.ohio.gov/forestry/trees/oak_pin.htm>.
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